Why do the leaves of Christmas cactus turn red?

1. Root rot

Reason: Christmas cactus needs proper watering and fertilization during maintenance. If you don't pay attention to the dosage, it will cause root rot, affecting the transport function, making it difficult to supply water and nutrients, and the leaves will turn red.

Solution: Pay attention to watering and fertilizing at ordinary times, dig out the plants, check the roots, cut off rotten roots, and replant and care for them.

2. Alkaline soil

Reason: If the soil is not changed for a long time, the soil will become alkaline, the growth of the plant will be affected, and the leaves will turn red.

Solution: If you find that the soil is not suitable, you need to replace the soil in time and replace it with loose acidic soil.

3. Low temperature

Cause: If the leaves turn red in winter, they may have been frostbitten.

Solution: Pay attention to keeping warm in winter and avoid being too cold. The surrounding growth temperature should be kept at around 10 degrees.

4. Improper lighting

Reason: If kept in a place with strong light, the leaves will turn red due to excessive exposure to the sun. Not only excessive exposure to the sun, but also long-term lack of sunlight and being in a dark state will cause the leaves to turn red.

Solution: Control the light during maintenance. Expose the plant to light in time when there is a lack of sunlight. When the light is too strong, take shading measures.

5. Lack of nutrients

Reason: Long-term lack of fertilization will also cause nutrient loss, especially lack of phosphorus fertilizer, which will cause the leaves to turn red.

Solution: It is necessary to add phosphorus fertilizer in time according to the needs of growth to meet the nutrient requirements.